Analysis Overview
SHA256
52fd3a302b0381ff26184c0253080ea368c5d7d4b4920cf74f8bc08fe555651e
Threat Level: Known bad
The file c8c4fa472338d372697661942bbac360N.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
UPX packed file
Adds Run key to start application
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of UnmapMainImage
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-25 08:48
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-25 08:48
Reported
2024-08-25 08:50
Platform
win7-20240708-en
Max time kernel
118s
Max time network
120s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\499B70FC = "C:\\Users\\Admin\\AppData\\Roaming\\499B70FC\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\winver.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe
"C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | spaines.pw | udp |
| US | 216.218.185.162:80 | spaines.pw | tcp |
| US | 8.8.8.8:53 | uyhgqunqkxnx.pw | udp |
| US | 104.131.68.180:80 | uyhgqunqkxnx.pw | tcp |
| US | 8.8.8.8:53 | vcklmnnejwxx.pw | udp |
| US | 216.218.185.162:80 | vcklmnnejwxx.pw | tcp |
Files
memory/1528-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1528-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1196-4-0x0000000002510000-0x0000000002516000-memory.dmp
memory/1196-3-0x0000000002510000-0x0000000002516000-memory.dmp
memory/1196-2-0x0000000002510000-0x0000000002516000-memory.dmp
memory/1528-5-0x0000000001D50000-0x0000000002750000-memory.dmp
memory/1300-11-0x0000000076F90000-0x0000000077139000-memory.dmp
memory/1196-10-0x0000000076FE1000-0x0000000076FE2000-memory.dmp
memory/1300-9-0x000000007718F000-0x0000000077191000-memory.dmp
memory/1300-8-0x000000007718F000-0x0000000077190000-memory.dmp
memory/1300-7-0x0000000077190000-0x0000000077191000-memory.dmp
memory/1300-6-0x00000000000F0000-0x00000000000F6000-memory.dmp
memory/1528-12-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1528-13-0x0000000001D50000-0x0000000002750000-memory.dmp
memory/1108-19-0x0000000076FE1000-0x0000000076FE2000-memory.dmp
memory/1160-22-0x0000000000340000-0x0000000000346000-memory.dmp
memory/1196-24-0x00000000024C0000-0x00000000024C6000-memory.dmp
memory/1108-25-0x0000000000320000-0x0000000000326000-memory.dmp
memory/468-30-0x0000000001CE0000-0x0000000001CE6000-memory.dmp
memory/468-31-0x0000000076FE1000-0x0000000076FE2000-memory.dmp
memory/1160-27-0x0000000076FE1000-0x0000000076FE2000-memory.dmp
memory/1108-26-0x0000000076FE1000-0x0000000076FE2000-memory.dmp
memory/468-32-0x0000000076FE1000-0x0000000076FE2000-memory.dmp
memory/1196-33-0x00000000024C0000-0x00000000024C6000-memory.dmp
memory/1160-34-0x0000000000340000-0x0000000000346000-memory.dmp
memory/468-35-0x0000000001CE0000-0x0000000001CE6000-memory.dmp
memory/1300-36-0x00000000000F0000-0x00000000000F6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-25 08:48
Reported
2024-08-25 08:50
Platform
win10v2004-20240802-en
Max time kernel
118s
Max time network
114s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ECBD8F1D = "C:\\Users\\Admin\\AppData\\Roaming\\ECBD8F1D\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\winver.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\winver.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Windows\Explorer.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4316 wrote to memory of 4020 | N/A | C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4316 wrote to memory of 4020 | N/A | C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4316 wrote to memory of 4020 | N/A | C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4316 wrote to memory of 4020 | N/A | C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4020 wrote to memory of 3452 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 4020 wrote to memory of 2832 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe
"C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe"
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4020 -ip 4020
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/4316-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4316-1-0x0000000002160000-0x0000000002161000-memory.dmp
memory/3452-3-0x00000000013D0000-0x00000000013D6000-memory.dmp
memory/3452-2-0x00000000013D0000-0x00000000013D6000-memory.dmp
memory/4316-4-0x0000000002190000-0x0000000002B90000-memory.dmp
memory/3452-6-0x00007FFFA0CAD000-0x00007FFFA0CAE000-memory.dmp
memory/4020-5-0x0000000077CE2000-0x0000000077CE3000-memory.dmp
memory/4020-7-0x00007FFFA0C10000-0x00007FFFA0E05000-memory.dmp
memory/3452-8-0x00007FFFA0E40000-0x00007FFFA0E41000-memory.dmp
memory/4316-10-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4316-11-0x0000000002190000-0x0000000002B90000-memory.dmp
memory/3452-12-0x00007FFFA0E20000-0x00007FFFA0E21000-memory.dmp
memory/4020-14-0x0000000001330000-0x0000000001336000-memory.dmp
memory/2832-16-0x00000000002E0000-0x00000000002E6000-memory.dmp
memory/4020-17-0x0000000001330000-0x0000000001336000-memory.dmp
memory/2832-19-0x00007FFFA0E30000-0x00007FFFA0E31000-memory.dmp